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lisp

Pronunciation: (lisp),[key]—n.1. a speech defect consisting in pronouncing s and z like or nearly like the th-sounds of thin and this, respectively.
2. Phonet.any unconventional articulation of the sibilants, as the pronunciation of s and z with the tongue between the teeth (lingual protrusion lisp), close to or touching the upper front teeth (dental lisp), or raised so that the breath is emitted laterally (lateral lisp).3. the act, habit, or sound of lisping.

—v.t., v.i.1. to pronounce or speak with a lisp.
2. to speak imperfectly, esp. in a childish manner.

LISP

Pronunciation: (lisp),[key]—n.Computers.a high-level programming language that processes data in the form of lists: widely used in artificial intelligence applications.